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sm2 test vector

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This commit is contained in:
Zhi Guan
2016-05-02 17:56:14 +02:00
parent d8072491bc
commit addcac4896
34 changed files with 1245 additions and 3023 deletions
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15
crypto/sm2/sm2_enc.c
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@@ -330,7 +330,9 @@ SM2_CIPHERTEXT_VALUE *SM2_do_encrypt(const EVP_MD *kdf_md, const EVP_MD *mac_md,
goto end;
}
nbytes = (EC_GROUP_get_degree(ec_group) + 7) / 8;
OPENSSL_assert(nbytes == BN_num_bytes(n));
//OPENSSL_assert(nbytes == BN_num_bytes(n));
#if 0
/* check sm2 curve and md is 256 bits */
@@ -345,6 +347,7 @@ SM2_CIPHERTEXT_VALUE *SM2_do_encrypt(const EVP_MD *kdf_md, const EVP_MD *mac_md,
do {
BN_rand_range(k, n);
} while (BN_is_zero(k));
/* A2: C1 = [k]G = (x1, y1) */
if (!EC_POINT_mul(ec_group, cv->ephem_point, k, NULL, NULL, bn_ctx)) {
@@ -358,7 +361,7 @@ SM2_CIPHERTEXT_VALUE *SM2_do_encrypt(const EVP_MD *kdf_md, const EVP_MD *mac_md,
if (EC_POINT_is_at_infinity(ec_group, point)) {
goto end;
}
/* A4: compute ECDH [k]P_B = (x2, y2) */
if (!EC_POINT_mul(ec_group, point, NULL, pub_key, k, bn_ctx)) {
goto end;
@@ -368,11 +371,10 @@ SM2_CIPHERTEXT_VALUE *SM2_do_encrypt(const EVP_MD *kdf_md, const EVP_MD *mac_md,
goto end;
}
OPENSSL_assert(len == nbytes * 2 + 1);
/* A5: t = KDF(x2 || y2, klen) */
kdf(buf + 1, len - 1, cv->ciphertext, &cv->ciphertext_size);
for (i = 0; i < cv->ciphertext_size; i++) {
if (cv->ciphertext[i]) {
break;
@@ -391,7 +393,7 @@ SM2_CIPHERTEXT_VALUE *SM2_do_encrypt(const EVP_MD *kdf_md, const EVP_MD *mac_md,
for (i = 0; i < inlen; i++) {
cv->ciphertext[i] ^= in[i];
}
/* A7: C3 = Hash(x2 || M || y2) */
if (!EVP_DigestInit_ex(md_ctx, mac_md, NULL)) {
goto end;
@@ -409,6 +411,7 @@ SM2_CIPHERTEXT_VALUE *SM2_do_encrypt(const EVP_MD *kdf_md, const EVP_MD *mac_md,
goto end;
}
ok = 1;
end:
@@ -525,7 +528,7 @@ int SM2_do_decrypt(const EVP_MD *kdf_md, const EVP_MD *mac_md,
goto end;
}
nbytes = (EC_GROUP_get_degree(ec_group) + 7) / 8;
OPENSSL_assert(nbytes == BN_num_bytes(n));
//OPENSSL_assert(nbytes == BN_num_bytes(n));
#if 0
/* check sm2 curve and md is 256 bits */